Details
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Task
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Status: Closed
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Major
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Resolution: Invalid
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None
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None
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Description
Hi,
Iam already connected mongodb using json model file in apache calcite.
but here while executing select * from "tablename" it will be showing exceptions.
instead of that query iam using select _MAP['columnname'] from 'tablename' then it will be perfectly executing .But i need to select all the columns what is the query.
Another one is i try to perform sql joins in mongodb but it will be not working.how to acheive this task.
{
"version": "1.0",
"defaultSchema": "MONGODATABASE",
"schemas": [
{
"type": "custom",
"name": "MONGODATABASE",
"factory": "org.apache.calcite.adapter.mongodb.MongoSchemaFactory",
"operand":
}
]
}
java.calss file:
Connection connection = DriverManager.getConnection(
"jdbc:calcite:model=/home/msubbarao/samplefile2/CalciteWithMongoDb/calcitewithmongo.json", info);
Statement stat = connection.createStatement();
String sql="select * from table1 c JOIN table2 s on c.name=s.name";
String sql1="selecT cast(_MAP['columnname'] AS INTEGER(20)) from \"table\" c ";
ResultSet rs = stat.executeQuery(sql);
while(rs.next())